Robert A. Simons

William S. Cowart, Jr.

William Cowart was a design engineer with the Special Engineering Detachment for the Manhattan Project at Los Alamos, New Mexico.

Harold Deiller

Jane Yantis

Jane Yantis was the wife of a petroleum engineer, Carl Yantis, who worked at the Oak Ridge site during the Manhattan Project.

Dorothea Sacher

Dorothea Sacher was a non-techical staff worker at the Metallurgical Laboratory in Chicago during the Manhattan Project.